67424419 has 2 divisors, whose sum is σ = 67424420. Its totient is φ = 67424418.

The previous prime is 67424351. The next prime is 67424443. The reversal of 67424419 is 91442476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67424419 - 2⁹ = 67423907 is a prime.

It is a super-2 number, since 2×67424419² = 9092104554975122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (67424219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33712209 + 33712210.

It is an arithmetic number, because the mean of its divisors is an integer number (33712210).

Almost surely, 2^67424419 is an apocalyptic number.

67424419 is a deficient number, since it is larger than the sum of its proper divisors (1).

67424419 is an equidigital number, since it uses as much as digits as its factorization.

67424419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 67424419 is about 8211.2373610802. The cubic root of 67424419 is about 407.0106165494.

The spelling of 67424419 in words is "sixty-seven million, four hundred twenty-four thousand, four hundred nineteen".